<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <a href="http://www.qq.com" target="in">qq</a>
    <a href="http://www.baidu.com"  target="in">baidu</a>
    <iframe src="http://www.163.com" width="600" height="500" frameborder="0" name="in"></iframe>
    <embed src="http://www.zzsky.cn/flash/flash/201011579239281.swf" type="application/x-shockwave-flash" height="600" width="400">
    <progress value="10" max="100"></progress>
    <meter value="90" min="10" max="100" low="40" high="80" optimum="60"></meter>
    <!-- dom  -->
    <video width="800" height="600" controls >
        <source src="./img/output.webm">
        <source src="./img/output.mp4">
    </video>
    <!-- 强制刷新浏览器  ctrl+f5 -->

    <audio src="./img/1.mp3" autoplay></audio>
    <p>sdfssdf</p>
</body>
</html>